CN102252138A - Glass fiber reinforced polyolefin tube and preparation method and application thereof - Google Patents
Glass fiber reinforced polyolefin tube and preparation method and application thereof Download PDFInfo
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- CN102252138A CN102252138A CN2011100614847A CN201110061484A CN102252138A CN 102252138 A CN102252138 A CN 102252138A CN 2011100614847 A CN2011100614847 A CN 2011100614847A CN 201110061484 A CN201110061484 A CN 201110061484A CN 102252138 A CN102252138 A CN 102252138A
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Abstract
The invention discloses a glass fiber reinforced polyolefin tube and a preparation method and application thereof. The glass fiber reinforced polyolefin tube is sequentially provided with a glass fiber modified polyolefin layer, a continuous glass fiber wound reinforcing layer and a polyolefin layer from inside to outside. An outer hot melt adhesive layer and an inner hot melt adhesive layer can be added at two sides of the continuous glass fiber wound reinforcing layer of the glass fiber reinforced polyolefin tube. Through the continuous glass fiber wound reinforcing layer, the using pressure of the glass fiber reinforced polyolefin tube can be greatly improved; and the glass fiber reinforced polyolefin tube is particularly suitable for delivering media such as corrosive and high-pressure industrial water or solvent and the like.
Description
Technical field
The present invention relates to the multiple tube preparation field, be specifically related to a kind of glass of pipeline water delivery, industrial sewage discharging, the various Korrosionsmediums of industrial conveying etc. that is applicable to and strengthen polyolefin pipe and its production and application.
Background technique
Fiber glass reinforced polypropylene FRPP adopts alkali-free, the glass fibre of no low bank between fields and acrylic resin carry out adding an amount of antiager again after the polymerization, stabilizer, the strengthening agent batch mixing is after granulation and getting, with the tubing of this manufacture of materials except that having the original premium properties of virgin pp, improved its intensity greatly, hardness and rigidity, it is a kind of functional novel plastic of up-to-date development not in last century, at present at home and abroad such as chemical industry, chemical fibre, electric power, food, medicine, municipal engineering, highway, railway, the extensive use of field such as viaduct and sewage treatment, but in use also can exist because of the fed sheet of a media overpressure or cause pipeline to break under the certain pressure effect for a long time, this problem is especially outstanding in big specification tubing using process.
Application number is that 200610014892.6 Chinese invention patent application discloses a kind of making method that has the hot and cold water of reinforced layer with the fiber glass reinforced polypropylene composite pipe.This method mainly provides a kind of double-deck composite polypropylene that possesses polypropylene layer and fiber glass reinforced polypropylene layer, has the high relatively inadequately defective of intensity, has limited the using scope of tubing.
Application number is that 200610045174.5 Chinese invention patent application discloses a kind of reinforcement type tubular product of polyethylene, and this tubing mainly is to add short glass fiber in the polyethylene body, thereby has strengthened the intensity of tubing.But this technology only is that short glass fiber is added in the polyethylene body, though tubing is very thin, light and handy, also has the problem of poor performance such as intensity is relatively low, corrosion-resistant.
Summary of the invention
The objective of the invention is to according to the insufficient strength height that exists in the existing enhancement mode tubing, can not carry problem such as Korrosionsmedium, provide a kind of glass of ability of the anti-inside and outside pressure that can improve tubing to strengthen polyolefin pipe.
Another purpose of the present invention is to provide above-mentioned glass to strengthen the preparation method of polyolefin pipe.
A further object of the invention is to provide above-mentioned glass to strengthen the application of polyolefin pipe.
Above-mentioned purpose of the present invention is achieved by the following technical programs:
A kind of glass strengthens polyolefin pipe, comprises three-decker, is followed successively by glass improved polyalkene layer, continuous glass-fiber winding enhancement layer and polyolefin layer from inside to outside.
Glass of the present invention strengthens polyolefin pipe also can be five-layer structure, is followed successively by glass improved polyalkene layer, interior heat-fusing glue layer, continuous glass-fiber winding enhancement layer, external hot melting glue-line and polyolefin layer from inside to outside.
As a kind of preferred version, glass of the present invention strengthens in the polyolefin pipe, and the glass in the described glass improved polyalkene layer is roving glass fiber or short glass fiber; The glass that described continuous glass-fiber twines in the enhancement layer is a roving glass fiber, and monofilament diameter is 11 ~ 13 μ m.
As a kind of preferred version, glass of the present invention strengthens in the polyolefin pipe, and described glass improved polyalkene layer is glass modified polyethylene or polypropylene layer; Described polyolefin layer is polyethylene or polypropylene layer.
As a kind of preferred version, glass of the present invention strengthens in the polyolefin pipe, and the thickness of described external hot melting glue-line and interior heat-fusing glue layer is 0.1 ~ 0.2mm.
The preparation method that three layers of glass of the present invention strengthen polyolefin pipe comprises the steps:
(1) the oven dry glass to surface active, carry out coupling processing, add affinity agent, plastify granulation with the polyolefin pipe PP Pipe Compound, the gained pellet forms glass improved polyalkene layer through fully dry through extruding;
(2) evenly apply one deck hot melt adhesive on the continuous glass-fiber surface, heating makes hot melt adhesive softening, twines glass improved polyalkene laminar surface continuously, forms netted continuous glass-fiber and twines enhancement layer;
(3) twine the enhancement layer surface at continuous glass-fiber and extrude one deck polyolefin pipe PP Pipe Compound formation polyolefin layer, through the cooling cutting, the glass that obtains three layers strengthens polyolefin pipe.
As a kind of preferred version, among the above-mentioned preparation method, during the glass of preparation described in the step (1) improved polyalkene layer, the content of described glass is 20 ~ 25wt%; The temperature of described plasticizing granulation is 170 ~ 215 ℃; The thickness of hot melt adhesive is 0.1 ~ 0.15mm described in the step (2), and heating-up temperature is 140 ℃.
The preparation method that five layers of glass of the present invention strengthen polyolefin pipe comprises the steps:
(1) the oven dry glass to surface active, carry out coupling processing, add affinity agent, plastify granulation with the polyolefin pipe PP Pipe Compound, the gained pellet forms glass improved polyalkene layer through fully dry through extruding;
(2) at glass improved polyalkene laminar surface heat-fusing glue layer in extruding formation;
(3) glass is wrapped in continuously glass improved polyalkene laminar surface, forms netted continuous glass-fiber and twine enhancement layer;
(4) twine the enhancement layer surface at continuous glass-fiber and extrude formation external hot melting glue-line;
(5) at last outside the heat-fusing glue layer surface extrude one deck polyolefin pipe PP Pipe Compound, form polyolefin layer, through the cooling cutting, the glass that obtains five layers strengthens polyolefin pipe.
As a kind of preferred version, among the above-mentioned preparation method, during the glass of preparation described in the step (1) improved polyalkene layer, the content of described glass is 30wt%; The temperature of described plasticizing granulation is 185 ~ 215 ℃; The thickness of the inside and outside heat-fusing glue layer in step (2) and the step (4) is 0.15mm.
Glass of the present invention strengthens polyolefin pipe and is applicable to that transporting water, industrial sewage discharge the conveying of conveying, industrial Korrosionsmedium etc., also are applicable to the conveying of high pressure industrial media.
Compared with prior art, the present invention has following beneficial effect:
The present invention has also made continuous glass-fiber specially and has twined enhancement layer by adding glass fibre to strengthen the intensity of tubing in the polyolefin pipe PP Pipe Compound, has strengthened the working pressure of tubing greatly, is fit to the conveying of high pressure industrial media more.
Embodiment
Further explain the present invention below in conjunction with embodiment, but embodiment does not do any type of qualification to the present invention.
Embodiment's 1 glass strengthens the preparation of three-layer polypropylene pipeline
(1) making of glass modified polypropene modified materials: glass is dried surface active earlier; then coupling agent, affinity agent, oiling agent etc. are plastified granulation together with the polypropylene material at double screw extruder; glass fiber content 20%(weight); the tablet machine temperature is controlled at 180 ~ 215 ℃; the extruder rotating speed is controlled at 30Hz; pellet is through abundant dried for standby after the granulation, and this modified materials tensile strength 55MPa, heat distortion temperature are 145 ℃ after testing.
(2) continuous glass-fiber evenly applies the hot melt adhesive of a layer thickness at 0.1mm through special-purpose gluing die head on the glass surface under the drive of tractor, 115 ℃ of the softening points of hot melt adhesive, glass and polypropylene material are had good cohesive force, after testing to glass adhesive strength 2600N, to polypropylene adhesive strength 3150N.
(3) making of three layers of pipeline of fiber glass reinforced polypropylene: with fully dry glass modified materials, 85 ℃ of drying temperatures, time 3h extrudes the formation internal layer through extruder; Under the drive of traction, arrive the glass winding zone, continuous glass-fiber is with one width 0.5mm, under the drive of equipment and through heating plant, 140 ℃ of heating-up temperatures, after making glass surface heat melten gel softening, be wrapped in the internal layer tube surfaces continuously with the 45 degree uniformly, under another equipment drives, twine once more then and make the glass winding layer reticulate uniform winding to form the mesosphere on the internal layer surface; Under the drive of traction, enter outer polypropylene material then and extrude the zone, evenly extrude one deck Polypropylene for Pipes in interlayer surfaces and form skin, after fully cooling cutting is produced qualified glass glass and strengthened the three-layer polypropylene pipeline.
Embodiment's 2 glasses strengthen the preparation of three-layer polyethylene pipeline
(1) making of glass modified poly ethylene modified materials: glass is dried surface active earlier; then coupling agent, affinity agent, oiling agent etc. are plastified granulation together with the polypropylene material at double screw extruder; glass fiber content 25%(weight); the tablet machine temperature is controlled at 175-210 ℃; the extruder rotating speed is controlled at 35Hz; pellet is through abundant dried for standby after the granulation, and this modified materials tensile strength 50MPa, heat distortion temperature are 138 ℃ after testing.
(2) continuous glass-fiber evenly applies the hot melt adhesive of a layer thickness at 0.15mm through special-purpose gluing die head on the glass surface under the drive of tractor, 115 ℃ of the softening points of hot melt adhesive, glass and polythene material are had good cohesive force, after testing to glass adhesive strength 2600N, to polyethylene adhesive strength 3400N.
(3) glass strengthens the making of three layers of pipeline of polyethylene: with fully dry glass modified materials, 85 ℃ of drying temperatures, are extruded the formation internal layer through extruder at 3 hours time; Under the drive of traction, arrive the glass winding zone, continuous glass-fiber is with one width 0.5mm, under the drive of equipment and through heating plant, 140 ℃ of heating-up temperatures, after making glass surface heat melten gel softening, be wrapped in the internal layer tube surfaces continuously with the 45 degree uniformly, under another equipment drives, twine once more then and make the glass winding layer reticulate uniform winding to form the mesosphere on the internal layer surface; Under the drive of traction, enter outer polypropylene material then and extrude the zone, evenly extrude one deck Polypropylene for Pipes in interlayer surfaces and form skin, after fully cooling cutting is produced qualified glass and strengthened the three-layer polyethylene pipeline.
Embodiment's 3 glasses strengthen five strata propylene pipelines
(1) making of glass modified polypropene modified materials: glass is dried surface active earlier; then coupling agent, affinity agent, oiling agent etc. are plastified granulation together with the polypropylene material at double screw extruder; glass fiber content 30%(weight); the tablet machine temperature is controlled at 185-215 ℃; the extruder rotating speed is controlled at 30Hz; pellet is through abundant dried for standby after the granulation, and this modified materials tensile strength 65MPa, heat distortion temperature are 152 ℃ after testing.
(2) making of five layers of pipeline of fiber glass reinforced polypropylene: with fully dry glass modified materials, 85 ℃ of drying temperatures, 3 hours time, extruding the formation internal layer through extruder is the glass modified layer, form one deck heat-fusing glue layer, hot melt adhesive thickness 0.15mm on the internal layer surface through extruding then; Under the drive of traction, arrive the glass winding zone, continuous glass-fiber is with one width 0.5mm, under the drive of equipment, be wrapped in the tube surfaces that has hot melt adhesive continuously with the 45 degree uniformly, under another equipment drives, twine once more then make the glass winding layer reticulate uniform winding form in the middle of winding layer; Twining the fiberglass layer surface through extruding formation one deck heat-fusing glue layer then, under the drive of traction, enter outer polypropylene material at last and extrude the zone, evenly extrude one deck Polypropylene for Pipes and form skin, after fully cooling cutting is produced qualified glass and strengthened five strata propylene pipelines.
Three embodiments' performance is compared as follows shown in the table 1:
Table 1
| Product performance relatively | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Adhesion strength N | To glass adhesive strength 2600N, to polypropylene adhesive strength 3150N | To glass adhesive strength 2600N, to polyethylene adhesive strength 3400N | To glass adhesive strength 2600N, to polypropylene adhesive strength 3150N |
| 20 ℃ of hydraulic pressure test instant blasting circumference stress MPa | 40 | 35 | 42 |
| Heat distortion temperature ℃ | 145 | 138 | 152 |
| Flattening test (being depressed into 1/2 flawless) | Qualified | Qualified | Qualified |
Claims (10)
1. a glass strengthens polyolefin pipe, it is characterized in that described glass strengthens polyolefin pipe and is followed successively by glass improved polyalkene layer, continuous glass-fiber winding enhancement layer and polyolefin layer from inside to outside.
2. glass according to claim 1 strengthens polyolefin pipe, it is characterized in that the continuous glass-fiber winding enhancement layer both sides of described glass enhancing polyolefin pipe also comprise interior heat-fusing glue layer and external hot melting glue-line.
3. glass according to claim 1 and 2 strengthens polyolefin pipe, it is characterized in that the glass in the described glass improved polyalkene layer is roving glass fiber or short glass fiber; The glass that described continuous glass-fiber twines in the enhancement layer is a roving glass fiber, and monofilament diameter is 11 ~ 13 μ m.
4. glass according to claim 1 and 2 strengthens polyolefin pipe, it is characterized in that described glass improved polyalkene layer is glass modified polyethylene or polypropylene layer; Described polyolefin layer is polyethylene or polypropylene layer.
5. glass according to claim 1 and 2 strengthens polyolefin pipe, it is characterized in that the thickness of described external hot melting glue-line and interior heat-fusing glue layer is 0.1 ~ 0.2mm.
6. the described glass of claim 1 strengthens the preparation method of polyolefin pipe, it is characterized in that comprising the steps:
(1) the oven dry glass to surface active, carry out coupling processing, add affinity agent, plastify granulation with the polyolefin pipe PP Pipe Compound, the gained pellet forms glass improved polyalkene layer through fully dry through extruding;
(2) evenly apply one deck hot melt adhesive on the continuous glass-fiber surface, heating makes hot melt adhesive softening, twines glass improved polyalkene laminar surface continuously, forms netted continuous glass-fiber and twines enhancement layer;
(3) twine the enhancement layer surface at continuous glass-fiber and extrude one deck polyolefin pipe PP Pipe Compound formation polyolefin layer, through the cooling cutting, the glass that obtains three layers strengthens polyolefin pipe.
7. strengthen the preparation method of polyolefin pipe according to the described glass of claim 6, when it is characterized in that the glass of preparation described in the step (1) improved polyalkene layer, the content of described glass is 20 ~ 25wt%; The temperature of described plasticizing granulation is 170 ~ 215 ℃; The thickness of hot melt adhesive is 0.1 ~ 0.15mm described in the step (2), and heating-up temperature is 140 ℃.
8. the described glass of claim 2 strengthens the preparation method of polyolefin pipe, it is characterized in that comprising the steps:
(1) the oven dry glass to surface active, carry out coupling processing, add affinity agent, plastify granulation with the polyolefin pipe PP Pipe Compound, the gained pellet forms glass improved polyalkene layer through fully dry through extruding;
(2) at glass improved polyalkene laminar surface heat-fusing glue layer in extruding formation;
(3) glass is wrapped in continuously glass improved polyalkene laminar surface, forms netted continuous glass-fiber and twine enhancement layer;
(4) twine the enhancement layer surface at continuous glass-fiber and extrude formation external hot melting glue-line;
(5) at last outside the heat-fusing glue layer surface extrude one deck polyolefin pipe PP Pipe Compound, form polyolefin layer, through the cooling cutting, the glass that obtains five layers strengthens polyolefin pipe.
9. described according to Claim 8 glass strengthens the preparation method of polyolefin pipe, and when it is characterized in that the glass of preparation described in the step (1) improved polyalkene layer, the content of described glass is 30wt%; The temperature of described plasticizing granulation is 185 ~ 215 ℃; The thickness of the inside and outside heat-fusing glue layer in step (2) and the step (4) is 0.15mm.
10. claim 1 or 2 described glasses strengthen the application of polyolefin pipe in carrying corrosivity, the industrial medium of high pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110061484 CN102252138B (en) | 2011-03-15 | 2011-03-15 | Glass fiber reinforced polyolefin tube and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110061484 CN102252138B (en) | 2011-03-15 | 2011-03-15 | Glass fiber reinforced polyolefin tube and preparation method and application thereof |
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| CN102252138A true CN102252138A (en) | 2011-11-23 |
| CN102252138B CN102252138B (en) | 2013-02-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105289109A (en) * | 2014-07-28 | 2016-02-03 | 苏州托普斯环保科技有限公司 | Filtering material and preparation method thereof |
| CN112096973A (en) * | 2020-09-16 | 2020-12-18 | 山东东宏管业股份有限公司 | Steel wire mesh framework reinforced polypropylene composite pipe and preparation method and application thereof |
| CN113085227A (en) * | 2021-03-19 | 2021-07-09 | 南京联塑科技实业有限公司 | Novel glass fiber reinforced composite hollow wall winding pipe and preparation method and application thereof |
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| JPH04201547A (en) * | 1990-11-30 | 1992-07-22 | Sekisui Chem Co Ltd | Manufacture of fiber reinforced resin pipe |
| WO2004067667A1 (en) * | 2003-01-30 | 2004-08-12 | Mitsubishi Plastics, Inc. | Ultraviolet-crosslinkable transparent hot melt pressure -sensitive adhesive, transparent pressure-sensitive adhesive sheet and laminates |
| CN2934834Y (en) * | 2006-07-24 | 2007-08-15 | 夏成文 | Glass fiber reinforced polypropene composite tube with reinforcement layer for cold and hot water |
| CN101927574A (en) * | 2009-12-30 | 2010-12-29 | 上海英泰塑胶有限公司 | Manufacturing method of isomorphous structural self-bonding glass fiber reinforced plastic pipe |
| CN201715113U (en) * | 2009-12-17 | 2011-01-19 | 李志雄 | Hot melting connection oxygen resistance composite metal tube |
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2011
- 2011-03-15 CN CN 201110061484 patent/CN102252138B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04201547A (en) * | 1990-11-30 | 1992-07-22 | Sekisui Chem Co Ltd | Manufacture of fiber reinforced resin pipe |
| WO2004067667A1 (en) * | 2003-01-30 | 2004-08-12 | Mitsubishi Plastics, Inc. | Ultraviolet-crosslinkable transparent hot melt pressure -sensitive adhesive, transparent pressure-sensitive adhesive sheet and laminates |
| CN2934834Y (en) * | 2006-07-24 | 2007-08-15 | 夏成文 | Glass fiber reinforced polypropene composite tube with reinforcement layer for cold and hot water |
| CN201715113U (en) * | 2009-12-17 | 2011-01-19 | 李志雄 | Hot melting connection oxygen resistance composite metal tube |
| CN101927574A (en) * | 2009-12-30 | 2010-12-29 | 上海英泰塑胶有限公司 | Manufacturing method of isomorphous structural self-bonding glass fiber reinforced plastic pipe |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105289109A (en) * | 2014-07-28 | 2016-02-03 | 苏州托普斯环保科技有限公司 | Filtering material and preparation method thereof |
| CN112096973A (en) * | 2020-09-16 | 2020-12-18 | 山东东宏管业股份有限公司 | Steel wire mesh framework reinforced polypropylene composite pipe and preparation method and application thereof |
| CN112096973B (en) * | 2020-09-16 | 2022-05-17 | 山东东宏管业股份有限公司 | Steel wire mesh framework reinforced polypropylene composite pipe and preparation method and application thereof |
| CN113085227A (en) * | 2021-03-19 | 2021-07-09 | 南京联塑科技实业有限公司 | Novel glass fiber reinforced composite hollow wall winding pipe and preparation method and application thereof |
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| CN102252138B (en) | 2013-02-27 |
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